A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Threaded fasteners of aluminum
NSN 5999-00-406-5773
NSN 6610-01-021-5068
NSN 4140-00-586-7604
NSN 6645-00-012-5834
NSN 6685-01-197-0540
NSN 6220-00-660-5539
NSN 5996-01-554-4783
NSN 5895-01-512-2407
NSN 5975-00-862-4506
NSN
NSN 5910-01-409-2852
NSN 6145-00-122-9517